/Engine/Source/Runtime/WebBrowser/Public/IWebBrowserWindow.h
Called when a touch gesture is performed.FReply::Handled()if the mouse event was handled,FReply::Unhandled()oterwise
[FReply](API\Runtime\SlateCore\Input\FReply) OnTouchGesture ( const [FGeometry](API\Runtime\SlateCore\Layout\FGeometry) & MyGeometry, const [FPointerEvent](API\Runtime\SlateCore\Input\FPointerEvent) & GestureEvent, bool bIsPopup )